Prior to logging in You will need to set the viewer up to work with VR

Oculus Rift, set up:

Set up Oculus home and verify that it is working properly.
Verify voice works properly as we do not support text in VR mode at this time.
Change the settings in the Oculus Application to allow for use in other applications.

You will need to make sure the Vivox voice is checked also, so you can communicate with other users in world via voice. Click on the pink button on the bottom far right. Click on MISC check Enable Vivox Voice